Forked from kostiantyn-petlia/helpers-write-log.php
Created
November 14, 2018 16:01
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Logging function write_log() for debugging process
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// ----------------------------------------------------------------------------- | |
/** | |
* Logging to debug.log in DEBUG_LOG_DIR dir (default is the root site dir) | |
* | |
* Note: You can define in the wp-config.php: | |
* 1) define( 'DEBUG_LOG_DIR', dirname( __FILE__ ) . '/' ); | |
* 2) define( 'DEBUG_LOG_INVERTED', false); | |
* | |
* Author K | |
* Version 2.0.1.0 | |
*/ | |
if ( ! function_exists( 'write_log' ) ) { | |
function write_log( $log = null, $before = '', $after = '', $clear = false ) { | |
if ( true === WP_DEBUG && ( defined( 'DEBUG_LOG_DIR' ) || defined( 'ABSPATH' ) ) ) { | |
// Destination File | |
$debug_log_file = ( ( defined( 'DEBUG_LOG_DIR' ) ) ? DEBUG_LOG_DIR : ABSPATH ) . 'debug.log'; | |
// Clear debug.log if 'true' or the file is more than 10Mb (10485760 bytes) | |
if ( true === $clear || filesize( $debug_log_file ) > 10485760 || ! file_exists( $debug_log_file ) ) { | |
file_put_contents( $debug_log_file, '' ); | |
} | |
if ( is_writable( $debug_log_file ) ) { | |
$content = ''; | |
// Only string can be in the wrapper role | |
$before = is_string( $before ) ? $before : ''; | |
$after = is_string( $after ) ? $after : ''; | |
// Build content ('-' & 'hr' define a separate line before the content) | |
$hr = in_array( $clear, [ '-', 'hr' ], true ) ? str_repeat( '-', 80 ) . PHP_EOL : ''; | |
$content .= date( 'Y-m-d H:i:s' ) . ': ' . $before . var_export( $log, true ) . $after . PHP_EOL; | |
// Write log | |
if ( defined( 'DEBUG_LOG_INVERTED' ) && false === DEBUG_LOG_INVERTED ) { | |
$content = $hr . $content; | |
file_put_contents( $debug_log_file, $content, FILE_APPEND ); // was (temp): error_log( $content, 3, $debug_log_file ); | |
} else { | |
$content = $content . $hr . file_get_contents( $debug_log_file ); | |
file_put_contents( $debug_log_file, $content ); | |
} | |
} | |
} | |
} | |
} | |
// ----------------------------------------------------------------------------- |
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